Ruth Underwood

Ruth Underwood
Underwood playing at a Frank Zappa concert, c. 1975
Background information
Born
Ruth Komanoff

(1946-05-23) 23 May 1946
GenresJazz-rock/rock
OccupationsMusician, composer
InstrumentsXylophone, marimba, vibraphone, piano, synthesizer
Years active1967–1982
LabelsPhilips Records, Bell Records, DiscReet Records
Formerly ofThe Mothers of Invention

Ruth Underwood (née Komanoff; May 23, 1946) is an American musician best known for playing xylophone, marimba, vibraphone, and other percussion instruments for Frank Zappa and his band The Mothers of Invention. She played for Zappa from 1968 until the mid-1970s, and again briefly before Zappa's death in 1993. She married fellow Zappa musician Ian Underwood.